Category: Finishes
Prepared by Eng. Ahmed Fathy, Projects Manager ·
Definition
External paints are facade coating systems designed to resist UV, heat, moisture and dust. They include smooth acrylic paints and textured finishes, applied on cured plaster over a primer.
Why it matters on a project
People see the facade first, and weak paint fades or peels within two years in Saudi sun. The full system, not just the colour, sets its life.
Measurement and pricing
Per square metre of facade with large openings deducted, stating coats and texture type.
Common mistake
Painting on plaster that is not fully cured or without an alkali-resistant primer, so efflorescence and peeling appear.
Frequently asked questions
How long does facade paint last?
A good system on sound plaster usually lasts many years before repainting; a poor one fades within two.
Does textured paint need smooth plaster?
It needs level, cured plaster; the texture hides only small defects.
Related terms
- Plaster (render)A cement or gypsum layer applied to walls to level them before paint or cladding.
- Emulsion paintWater-based paint for internal walls and ceilings, in various sheen levels.
- Surface preparationCleaning a steel surface to a specified grade (e.g. SSPC-SP 10) before coating to ensure adhesion.
- Mock-upA full-size sample built to approve appearance and quality before full production.
Read next
- Interior fit-out stages, from site handover to project handover
- Work out quantities with our free calculators: concrete, tiles, paint and plaster. Open the calculators
Does your project need interior design and finishing drawings? Send the drawings or a short description and we reply within one working day.
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